USPTO Patents Application 10687850

(19) (11)

2 180 514 ( 3) C1

A 61 B 5/01

(51) MflK 7

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(21), (22) 3a*BKa: 2001101121/14, 15.01.2001

(24) flaia Havana neucjBvm naTema: 15.01 .2001

(46) flaia ny6jiMKai|MM: 20.03.2002

(56) Ccbi/iKw: RU 2122208 C1, 20.11.1998. RU
2131700 C1, 20.06.1999. RU 2036659 C1,
09.06.1995. US 5101814 A, 07.04.1992. US
5119819 A, 09.06.1992. US 5139023 A,
18.08.1992.

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2 180 514 ( 3) C1

(51) Int. CI. 7

A 61 B 5/01

RUSSIAN AGENCY
FOR PATENTS AND TRADEMARKS

< 12 > ABSTRACT OF INVENTION

(21), (22) Application: 2001101121/14, 15.01.2001

(24) Effective date for property rights: 15.01.2001

(46) Date of publication: 20.03.2002

(98) Mail address:

119991, Moskva, ul. Kosygina, 4, IKhF RAN,
patentnyj otdel

(71) Applicant:

institut khimicheskoj fiziki RAN im. N.N.
Semenova

(72) Inventor: Shmelev V.M.,
Bobylev V.M.

(73) Proprietor

Shmelev Vladimir Mikhajlovich,
Bobylev Vladimir Mikhajlovich

(54) METHOD FOR DETERMINING GLUCOSE CONCENTRATION IN NONINVASIVE WAY

(57) Abstract:

FIELD: medicine. SUBSTANCE: method
involves determining blood glucose
concentration by means of measuring
instrument. Continuous blood glucose
concentration monitoring is earned out by
measuring heat flows in the area of head
superficial veins by means of measuring

instrument transducer. Glucose concentration

((Xs)) is calculated from a formula = XT+XI,

where X? = W^Xf, xi = K hf W Th( (s)XF?„

where Xf - the dimensionless temperature

from steady state value, Xw - the
dimensionless heat flow deviation from

steady state value, W Th f(s) = 1/(T Th , x S+1) is
the transition function of blood glucose
concentration with respect to temperature
and heat flow, T Th f is the experimentally
stated transient process time constant K hf is
the experimentally stated dimensionless
coefficient, s = d/dt is the differentiation
operator. Z- thermistors are used as
temperature pickups pressed against head
surface by means of elastic member and
insulated from ambient space by means of
heat insulation members. Glucose
concentration information is represented by
means of tonal signal and display unit.
EFFECT: enhanced accuracy of measurements 3
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METHOD FOR DETERMINING GLUCOSE CONCENTRATION IN NONINVASIVE ... Page 1 of 2

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RU2180514C1: METHOD FOR DETERMINING GLUCOSE CONCENTF
NONINVASIVE WAY

Method for determining glucose concentration in noninvasive way

[Derwent Record]

RU Russian Federation
C1 Patent «

SHMELEV V.M.;
BOBYLEV V.M.;

INSTITUT KHIMICHESKOJ FIZIKI RAN IM. N.N. SEMENOVA

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20024)3-20/2001-01-15
RU2001000101121

A61B5/01:
None

2001-01-15 RU2001000101121

medicine. SUBSTANCE: method involves determining blood
glucose concentration by means of measuring instrument.
Continuous blood glucose concentration monitoring is carried out by
measuring heat flows in the area of head superficial veins by means
of measuring instrument transducer Glucose concentration ((X*g))
is calculated from a formula X*g = X*1+X*2, where X*1 = WThf(s)
X*T, X*2 = KhfWThf(s)X*hf„ where X*T - the dimensionless
temperature from steady state value, X*hf - the dimensionless heat
flow deviation from steady state value, WThf(s) = 1/(TThf x S+1) is
the transition function of blood glucose concentration with respect to
temperature and heat flow, TThf is the experimentally stated
transient process time constant Khf is the experimentally stated
dimensionless coefficient, s = d/dt is the differentiation operator. Z-
thermistors are used as temperature pickups pressed against head
surface by means of elastic member and insulated from ambient
space by means of heat insulation members. Glucose concentration
information is represented by means of tonal signal and display unit.
EFFECT: enhanced accuracy of measurements. 3 cl, 2 dwg, 2 tbl

t Family:

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RU2180514C1

2002-03-20

2001-01-15

METHOD FOR DETERMINING GLUCOS
CONCENTRATION IN NONINVASIVE W

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